Butting ring for a rotor shaft

Details Butting ring for a rotor shaft Butting ring for a rotor shaft

1992-01-28

1993-12-28

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

384261, H02K 516, F16C 2500

Patent

active

052742890

ABSTRACT:
An electric motor has a rotor shaft which is journalled in an axial bearing located within a bearing tube of a stator. To control relative axial movement of the rotor shaft and bearing, a butting ring is fixed, by supporting arms, in the butt end of the rotor shaft. An abutment surface of the butting ring abuts an end face of the bearing. Lubricant pockets are formed in the abutment surface to hold a lubricant. A further supply of lubricant is received within a lubricant storage pocket formed in a surface of said butting ring opposed to said abutment surface. The lubricant storage pocket is connected to the lubricant pockets by way of connecting channels.

REFERENCES:
patent: 3935489 (1976-01-01), Church et al.
patent: 4523118 (1985-06-01), Cunningham
patent: 4800309 (1989-01-01), Lakin
patent: 5109171 (1992-04-01), Schmider

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